Electric lamp bulb



FIG. 1 is an orthogonal view of the invention;

FIG. 2 is a front view of the invention on a reduced scale;

FIG. 3 is a left view of the invention on a reduced scale;

FIG. 4 is a top view of the invention on a reduced scale; and,

FIG. 5 is a bottom view of the invention on a reduced scale.

The ornamental design for an electric light bulb, as shown anddescribed.